Re: [ts-7000] Not enough stable clock after synchronizing with ntp server.

[Dave Cramer <>]

On Wed, Aug 25, 2010 at 9:45 AM, Ian Thompson <> wrote:

 

It's not considered possible to synchronize to better than ±20 mS with
NTP,

What are the limiting factors here ? I will have all of my boards on the same local network.

 

hence the introduction of PTP [Precision Time Protocol or IEEE-1588] .
To get microsecond accuracy with PTP one needs an Ethernet MAC with
built in hardware support and a PTP master. I don't believe Technologic
have any boards that include this as yet. I hope that they are
considering adding it!

What exactly is required ?

Dave

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